UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YMubPtZX4TkWetD0Sx2squ2oOwwtEQvswtHnxQ0SpKk=' 
WHERE 
  key_id = '51f9a2d2f842b22ade1928f807b6fb3b1a01ae38d75833306f7227041a5d6a9a' 
  AND (
    token = 'YMubPtZX4TkWetD0Sx2squ2oOwwtEQvswtHnxQ0SpKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )