SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '10806f53d9008d87c1f0131297d65726a5ac86348a31b32f5f800884e85f6295' 
  AND token = 'gHnmj5fQlhweP5tuYKvubV/Ax8YgyIJB1+3CuF2R3y4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}