INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c8dc72f79e4daf5b300ff85c0035046292ee94e763886bd6513645bea88514b', 
    's2ZP2UtySScvuWI70BSX8KgncT1D4ZcB2aqu73SSEpM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)