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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '26079bf857a01bc50eb076519d21e2b75ae42f3e67a0fb7066e9969cc64781e2' 
  AND token = 'm/GUuWnbY6BeeYSl+TIrtKDSJZGTHHiUEemo/q4titI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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