UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FLYl7oV/zjX+r77Ca6h7s6o8KZXAX1RdUjcJjR7CIfk=' 
WHERE 
  key_id = 'ac81169037613b16884ece9c4120954234b652009c6f80c91bf518293ca45f1b' 
  AND (
    token = 'FLYl7oV/zjX+r77Ca6h7s6o8KZXAX1RdUjcJjR7CIfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )