UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q/cZP3ljfDMozCToe89hiCVijTx9fEOGYKtQ2CxQTcc=' 
WHERE 
  key_id = 'b45254fd1c496c41f2654f4f73768d4f78ca218435d9435c096832c05b83ef78' 
  AND (
    token = 'q/cZP3ljfDMozCToe89hiCVijTx9fEOGYKtQ2CxQTcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )