UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yn+CSCRfqVcF+L6af02KM2gPhuXzuVaDJt2lpzCD7Ec=' 
WHERE 
  key_id = '2f76bdddc14159913d09e6cb20cec285ddf301c6c90622110403ff79b7e19b89' 
  AND (
    token = 'yn+CSCRfqVcF+L6af02KM2gPhuXzuVaDJt2lpzCD7Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )