UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68kxEAbP9YaDrY3IqSRAox9h5tsaTs4IIq1z3YnjrIA=' 
WHERE 
  key_id = '7ea942a58e95c8553be75618b594c4c6dc990e2d0655c1fa39330f81893735a2' 
  AND (
    token = '68kxEAbP9YaDrY3IqSRAox9h5tsaTs4IIq1z3YnjrIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )