INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b3621bed4f3f9351c3692d2192472484ad3ed2edb38bc381495040f9de73451', 
    'ltPm6md4clBQj2wRlBIQjgqc9noT6ffOQez8x1Jl8h8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)