UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xW/Lx2PcZl+rtPcDNiyDfw//ePjfaONnX1VznNsxjbo=' 
WHERE 
  key_id = '26e17a236ac952f61491038b29fbf91ec21809c050c5622c65057cbf767b66e4' 
  AND (
    token = 'xW/Lx2PcZl+rtPcDNiyDfw//ePjfaONnX1VznNsxjbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )