UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LFEy8+FvvOhmW7dL3OE3R3pSM2GEP3IMOc+3PumNyZ0=' 
WHERE 
  key_id = 'd478a8756fe06cf3cd7b45e6cff0f23e321268781bb1b443e81ab29d81059cb7' 
  AND (
    token = 'LFEy8+FvvOhmW7dL3OE3R3pSM2GEP3IMOc+3PumNyZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031