UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jblWDipAVcNR2750csmv1IAL1CljsY5S9Lr0Xjti0Tw=' 
WHERE 
  key_id = 'c12f34aad3dce046ab2865b1e6fa9624ea5be8a66f5b57d55cd6c95905c32868' 
  AND (
    token = 'jblWDipAVcNR2750csmv1IAL1CljsY5S9Lr0Xjti0Tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )