UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'peARQU0SHtyH1GwnhYYZCeP2rbLwJqGFv461o4gA1gU=' 
WHERE 
  key_id = '3817e8843839e66353211f3fc37a88865ece67fdb2333234b6464e195af03036' 
  AND (
    token = 'peARQU0SHtyH1GwnhYYZCeP2rbLwJqGFv461o4gA1gU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )