UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpMcPD0T1xZ1D/42y4mWm0R2fAkh5LDPdrqrOVLo+Vs=' 
WHERE 
  key_id = '8b102619722439d29dd037422db225318796bf6c5396d21385c834bc8dbcc74e' 
  AND (
    token = 'EpMcPD0T1xZ1D/42y4mWm0R2fAkh5LDPdrqrOVLo+Vs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )