UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRLTCYdGFj1DYP6KtJB1PEJK1+DhUQ4tfTpwIlTsy7I=' 
WHERE 
  key_id = 'e5875a8badfb736cf560cac22bcdd31534b2a807c521c77bd77b09171ffb074e' 
  AND (
    token = 'MRLTCYdGFj1DYP6KtJB1PEJK1+DhUQ4tfTpwIlTsy7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )