UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UwTR2OFVSQ5JDoFyfm/Bd6vMTadBE03Pu36OtpuEW+M=' 
WHERE 
  key_id = '810df9599a64a41bf503a5021c32aedf384d6dc9e5cf77e99055fc5eecb978aa' 
  AND (
    token = 'UwTR2OFVSQ5JDoFyfm/Bd6vMTadBE03Pu36OtpuEW+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )