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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7dabff919c1f8a63cd68c3d6d8610e82218abdba3b742f26e33c0a3f5e756e66' 
  AND token = 'cAH48gKaWvScinbtJdtqMqx6rI9Vem0PzAGlQ7vV+7s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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