SELECT 
  feature_id, 
  variant_id, 
  value, 
  value_int 
FROM 
  cscart_product_features_values 
WHERE 
  product_id = 8864 
  AND lang_code = 'de'

Query time 0.00062

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_product_features_values ref lang_code,product_id,product_id_idx,product_feature_idx product_feature_idx 3 const 141 Using where

Result

feature_id variant_id value value_int
19 93 1.100
20 6052 1.300
21 95
22 98
23 101
24 107
30 240
42 145
75 243
124 0 5702326548604
127 5895
128 5899
129 5902
134 5962
149 0 5702326548710
152 6114
152 6100
152 6101
152 6088
152 6089
152 6098
152 6091
152 6092
152 6093
152 6094
152 6095
152 6096
152 6097
152 6102
152 6105
152 6106
152 6116
152 6107
152 6118
152 6120
152 6119
152 6090
178 6308