UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HVLFIj69sdYc3xw+wphRFQbgNIKt4Yp5undqPaSGFkk=' 
WHERE 
  key_id = 'f7976d846673823b066409c2e80cf2de59c775a1832fbd0acc88190fdabfd142' 
  AND (
    token = 'HVLFIj69sdYc3xw+wphRFQbgNIKt4Yp5undqPaSGFkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )