UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2DeXcpmptsHDae/eOl/NAbQSo/2puN6I06LpUczbjtg=' 
WHERE 
  key_id = 'c242162758f22742bfba79dec52f868d4957bc989e505e71dbe9bc4fb87103b3' 
  AND (
    token = '2DeXcpmptsHDae/eOl/NAbQSo/2puN6I06LpUczbjtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )